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The Role of (Chloro-) Phenols in the Formation of Polychlorinated Dibenzofurans in Municipal Waste Incinerators
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 Title & Authors
The Role of (Chloro-) Phenols in the Formation of Polychlorinated Dibenzofurans in Municipal Waste Incinerators
Ryu, Jae-Yong; Jang, Seong-Ho;
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Comparing predicted PCDF isomer patterns with those obtained from a municipal waste incinerator assessed the role of two-phenol condensation pathways in the formation of PCDFs. Complete PCDF homologue and isomer distributions were obtained from a Fluidized Bed Incinerator (FBI). Two-phenol condensation model, dependent only on the distributions of phenols, was developed to predict the PCDF congeners produced from phenol precursors. R-squared values from linear correlations are presented for the dichlorinated through hexa-chlorinated isomer distributions between measured and predicted. They range from 0.00: to 0.1 far the di-chlorinated through hexa-chlorinated isomer sets. Agreement between predicted and measured PCDF isomer distributions was very poor for all homologues. Two-phenol condensation pathways are not likely to be the pre-dominant pathways in the formation of PCDF in a FBI. However, dibenzofuran (DF) is likely to be produced from a condensation of two phenols. This work demonstrates the use of PCDF homologue and isomer patterns for testing PCDF formation mechanism from two-phenol condensation pathways in municipal waste incinerators.
Municipal waste incinerator;Thermal process;Combustion;Chlorophenols;Polychlorinated Dibenzofurans (PCDFs);PCDF Prediction model;Fluidized bed incinerator;
 Cited by
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